Use Vowi-Fi For A New Calling Experience - Huawei P30 User Manual

Enable VoLTE to Enjoy HD Calls
Some network providers may not support this feature.
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Only dual-SIM phones support both SIM card slots enabling 4G, VoLTE, and VoWiFi.
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Open Settings, and go to Wireless & networks > Mobile network. In the settings section for
SIM 1 or 2 (if supported by your network provider), you can:
Enable 4G: Turn on 4G. The 4G switch may be unavailable for your device due to your network
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provider's settings. This indicates that the 4G network is enabled by default.
Enable VoLTE calling: Turn on VoLTE calls.
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Enable Wi-Fi calling: Turn on Wi-Fi calling.
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After the setting is complete, select the contact you want to call and touch
You can also touch

Use VoWi-Fi for a New Calling Experience

You can use VoWi-Fi to make voice and video calls in any location that has a Wi-Fi network, even
when there is no mobile Phone network reception.
This feature must be supported by your carrier. Contact your carrier for more information,
including fees and charges.
Open Phone, go to
follow the onscreen instructions to set the preferred network.
on the screen during a voice call to switch to a video call.
> Settings > Wi-Fi calling, enable Wi-Fi calling. Touch Mode and
Dialling
to make a video call.
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